fn.yearsFromDuration

fn.yearsfromdurationfnyearsfromduration

/apidoc/8.0/fn:years-from-duration.xml

Returns an xs:integer representing the years component in the canonical lexical representation of the value of $arg. The result may be negative.

If $arg is the empty sequence, returns the empty sequence.

The duration whose year component will be returned.

arg

xs.duration?

Number?

fn.yearsFromDuration(xs.duration("P20Y15M"));
=> 21

fn.yearsFromDuration(xs.duration("-P15M"));
=> -1